<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<style>

    * {
        margin: 0;
        padding: 0;
    }

    li {
        list-style: none;
    }

    .product {
        margin: 100px auto;
        width: 1266px;
        height: 628px;
        background-color: aqua;
    }

    .product-left {
        width: 234px;
        height: 628px;
        background-color: yellow;
        float: left;
    }

    .product-right {
        width: 978px;
        height: 628px;
        background-color: orange;
        float: right;
    }

    li {
        margin-right: 14px;
        margin-bottom: 14px;
        width: 234px;
        height: 300px;
        background-color: green;
        float: left;
    }

    li:nth-child(4n) {
        margin-right: 0;
    }


</style>

<body>
    <div class="product">
        <div class="product-left"></div>
        <div class="product-right">
            <ul>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
            </ul>
        </div>
    </div>
</body>

</html>